Contact Dermatitis

Contact dermatitis is eczematous reaction at site of contact with allergen (allergic, type-IV) or irritant (direct cytotoxic), presenting with pruritic erythema, papules, vesicles, and scaling in a contact distribution. Treatment: identify/avoid trigger; topical corticosteroids (potency by site); emollients; oral antihistamines for pruritus; cool compresses; systemic steroids for severe acute; treat secondary infection; patch testing to identify allergen; occupational protective measures; follow-up.

Common Symptoms

Pruritic erythema/papules/vesicles; contact distribution; allergic/irritant

Causes and Pathogenesis

Type-IV hypersensitivity (allergic) or direct cytotoxicity (irritant) causes eczematous dermatitis.

Treatment

Topical steroids; emollients; antihistamines; avoid trigger; patch test

Preventive Measures

Avoid known allergens/irritants; barrier creams; protective gloves.

Department to Visit

It is recommended to visit the Dermatology/Allergy/Occupational-health department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.